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80663041010 = 2553152194417
BaseRepresentation
bin100101100011111100…
…1000101001111110010
321201012112202001021102
41023013321011033302
52310144214303020
6101020040524402
75553622351526
oct1130771051762
9251175661242
1080663041010
1131233202662
1213771a80702
1377b6603886
143c92c51d86
1521717e0475
hex12c7e453f2

80663041010 has 16 divisors (see below), whose sum is σ = 147932974296. Its totient is φ = 31656438528.

The previous prime is 80663041003. The next prime is 80663041021. The reversal of 80663041010 is 1014036608.

It can be written as a sum of positive squares in 4 ways, for example, as 73100477641 + 7562563369 = 270371^2 + 86963^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76096679 + ... + 76097738.

Almost surely, 280663041010 is an apocalyptic number.

80663041010 is a deficient number, since it is larger than the sum of its proper divisors (67269933286).

80663041010 is a wasteful number, since it uses less digits than its factorization.

80663041010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152194477.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 80663041010 its reverse (1014036608), we get a palindrome (81677077618).

The spelling of 80663041010 in words is "eighty billion, six hundred sixty-three million, forty-one thousand, ten".

Divisors: 1 2 5 10 53 106 265 530 152194417 304388834 760972085 1521944170 8066304101 16132608202 40331520505 80663041010